Overview
The AD8803ARZ-REEL, produced by Analog Devices Inc., is an Octal 8-Bit TrimDAC (Digital-to-Analog Converter) with power shutdown and mid-scale preset capabilities. This component is designed to provide eight digitally controlled DC voltage outputs, making it ideal for applications requiring precise voltage adjustments. The AD8803 is part of the TrimDAC® series, which replaces mechanical trimmer functions in new designs, offering a more reliable and programmable solution.
Key Specifications
| Attribute | Value |
|---|---|
| Case/Package | 16-SOIC (0.154", 3.90mm Width) |
| Number of Pins | 16 |
| Number of Bits | 8 |
| Polarity | Unipolar |
| Min Supply Voltage | 2.7V |
| Max Supply Voltage | 5.5V |
| Number of DAC Channels | 8 |
| Settling Time | 600ns (Typical) |
| Interface | SPI, Serial |
| Integral Nonlinearity (INL) | ±0.5 LSB |
| Differential Output | No |
| Output Type | Voltage - Unbuffered |
| Operating Temperature | -40°C to 85°C |
| Max Power Dissipation | 27.5 mW |
| RoHS | Compliant |
| Lead Free | Contains Lead |
Key Features
- Eight Voltage Output DACs: Each DAC has its own register, allowing independent control of each output.
- Serial Interface: SPI-compatible serial interface for easy programming by microcontrollers.
- Power Shutdown: Low power consumption in shutdown mode, reducing reference input current to 5 µA.
- Mid-Scale Preset: The AD8803 includes a mid-scale preset feature, ideal for applications requiring a nominal starting value.
- External Reference Input: Allows for external voltage reference, enhancing flexibility in various applications.
- Low Power Consumption: Consumes only 5 µA from a 5V power supply in normal operation.
Applications
- Video and Audio Equipment: Gain and offset adjustment, voltage-controlled frequencies, and bandwidth adjustments.
- Portable and Battery-Operated Equipment: Ideal for applications requiring low power consumption and precise voltage control.
- Geometric Correction in CRT Displays: Automatic adjustments in computer graphic displays.
- Potentiometer Replacement: Replaces mechanical trimmers in new designs, offering a more reliable and programmable solution.
Q & A
- What is the AD8803ARZ-REEL used for?
The AD8803ARZ-REEL is used for providing eight digitally controlled DC voltage outputs, making it suitable for applications requiring precise voltage adjustments.
- What is the package type of the AD8803ARZ-REEL?
The package type is 16-SOIC (0.154", 3.90mm Width) and is available in Tape & Reel or Bulk packaging.
- What is the supply voltage range for the AD8803ARZ-REEL?
The supply voltage range is from 2.7V to 5.5V.
- What interface does the AD8803ARZ-REEL use?
The AD8803ARZ-REEL uses an SPI-compatible serial interface.
- What is the settling time of the AD8803ARZ-REEL?
The settling time is 600ns (typical).
- Is the AD8803ARZ-REEL RoHS compliant?
Yes, the AD8803ARZ-REEL is RoHS compliant.
- What is the operating temperature range of the AD8803ARZ-REEL?
The operating temperature range is from -40°C to 85°C.
- Does the AD8803ARZ-REEL have differential output?
No, the AD8803ARZ-REEL does not have differential output.
- What is the power dissipation of the AD8803ARZ-REEL?
The maximum power dissipation is 27.5 mW.
- Is the AD8803ARZ-REEL lead-free?
No, the AD8803ARZ-REEL contains lead.
